3 # create schema.ldif (as a string) from WSPP documentation
5 # based on minschema.py and minschema_wspp
14 # bit positions as labeled in the docs
15 bitFields["searchflags"] = {
17 'fPDNTATTINDEX': 30, # PI
19 'fPRESERVEONDELETE': 28, # PR
21 'fTUPLEINDEX': 26, # TP
22 'fSUBTREEATTINDEX': 25, # ST
23 'fCONFIDENTIAL': 24, # CF
24 'fNEVERVALUEAUDIT': 23, # NV
25 'fRODCAttribute': 22, # RO
28 # missing in ADTS but required by LDIF
29 'fRODCFilteredAttribute': 22, # RO ?
30 'fCONFIDENTAIL': 24, # typo
31 'fRODCFILTEREDATTRIBUTE': 22 # case
35 bitFields["systemflags"] = {
36 'FLAG_ATTR_NOT_REPLICATED': 31, 'FLAG_CR_NTDS_NC': 31, # NR
37 'FLAG_ATTR_REQ_PARTIAL_SET_MEMBER': 30, 'FLAG_CR_NTDS_DOMAIN': 30, # PS
38 'FLAG_ATTR_IS_CONSTRUCTED': 29, 'FLAG_CR_NTDS_NOT_GC_REPLICATED': 29, # CS
39 'FLAG_ATTR_IS_OPERATIONAL': 28, # OP
40 'FLAG_SCHEMA_BASE_OBJECT': 27, # BS
41 'FLAG_ATTR_IS_RDN': 26, # RD
42 'FLAG_DISALLOW_MOVE_ON_DELETE': 6, # DE
43 'FLAG_DOMAIN_DISALLOW_MOVE': 5, # DM
44 'FLAG_DOMAIN_DISALLOW_RENAME': 4, # DR
45 'FLAG_CONFIG_ALLOW_LIMITED_MOVE': 3, # AL
46 'FLAG_CONFIG_ALLOW_MOVE': 2, # AM
47 'FLAG_CONFIG_ALLOW_RENAME': 1, # AR
48 'FLAG_DISALLOW_DELETE': 0 # DD
52 bitFields["schemaflagsex"] = {
53 'FLAG_ATTR_IS_CRITICAL': 31
58 '1.3.12.2.1011.28.0.702' : base64.b64encode('\x2B\x0C\x02\x87\x73\x1C\x00\x85\x3E'),
59 '1.2.840.113556.1.1.1.12': base64.b64encode('\x2A\x86\x48\x86\xF7\x14\x01\x01\x01\x0C'),
60 '2.6.6.1.2.5.11.29' : base64.b64encode('\x56\x06\x01\x02\x05\x0B\x1D'),
61 '1.2.840.113556.1.1.1.11': base64.b64encode('\x2A\x86\x48\x86\xF7\x14\x01\x01\x01\x0B'),
62 '1.3.12.2.1011.28.0.714' : base64.b64encode('\x2B\x0C\x02\x87\x73\x1C\x00\x85\x4A'),
63 '1.3.12.2.1011.28.0.732' : base64.b64encode('\x2B\x0C\x02\x87\x73\x1C\x00\x85\x5C'),
64 '1.2.840.113556.1.1.1.6' : base64.b64encode('\x2A\x86\x48\x86\xF7\x14\x01\x01\x01\x06')
67 # separated by commas in docs, and must be broken up
68 multivalued_attrs = set(["auxiliaryclass","maycontain","mustcontain","posssuperiors",
69 "systemauxiliaryclass","systemmaycontain","systemmustcontain",
70 "systemposssuperiors"])
72 def __read_folded_line(f, buffer):
73 """ reads a line from an LDIF file, unfolding it"""
82 # cannot fold an empty line
83 assert(line != "" and line != "\n")
93 # eof, definitely won't be folded
96 # marks end of a folded line
97 # line contains the now unfolded line
98 # buffer contains the start of the next possibly folded line
102 return (line, buffer)
105 def __read_raw_entries(f):
106 """reads an LDIF entry, only unfolding lines"""
108 # will not match options after the attribute type
109 attr_type_re = re.compile("^([A-Za-z]+[A-Za-z0-9-]*):")
117 (l, buffer) = __read_folded_line(f, buffer)
122 if l == "\n" or l == "":
125 m = attr_type_re.match(l)
133 print >>sys.stderr, "Invalid line: %s" % l,
144 """fix a string DN to use ${SCHEMADN}"""
147 if dn.find("<RootDomainDN>") != -1:
148 dn = dn.replace("\n ", "")
149 dn = dn.replace(" ", "")
150 return dn.replace("CN=Schema,CN=Configuration,<RootDomainDN>", "${SCHEMADN}")
154 def __convert_bitfield(key, value):
155 """Evaluate the OR expression in 'value'"""
156 assert(isinstance(value, str))
158 value = value.replace("\n ", "")
159 value = value.replace(" ", "")
162 # some attributes already have numeric values
166 flags = value.split("|")
168 bitpos = bitFields[key][f]
169 o = o | (1 << (31 - bitpos))
173 def __write_ldif_one(entry):
174 """Write out entry as LDIF"""
178 if isinstance(l[1], str):
183 if l[0].lower() == 'omobjectclass':
184 out.append("%s:: %s" % (l[0], l[1]))
188 out.append("%s: %s" % (l[0], v))
191 return "\n".join(out)
193 def __transform_entry(entry, objectClass):
194 """Perform transformations required to convert the LDIF-like schema
195 file entries to LDIF, including Samba-specific stuff."""
197 entry = [l.split(":", 1) for l in entry]
206 if not cn and key == "cn":
209 if key in multivalued_attrs:
210 # unlike LDIF, these are comma-separated
211 l[1] = l[1].replace("\n ", "")
212 l[1] = l[1].replace(" ", "")
214 l[1] = l[1].split(",")
217 l[1] = __convert_bitfield(key, l[1])
219 if key == "omobjectclass":
220 l[1] = oMObjectClassBER[l[1].strip()]
222 if isinstance(l[1], str):
227 entry.insert(0, ["dn", "CN=%s,${SCHEMADN}" % cn])
228 entry.insert(1, ["objectClass", ["top", objectClass]])
238 def __parse_schema_file(filename, objectClass):
239 """Load and transform a schema file."""
243 f = open(filename, "rU")
244 for entry in __read_raw_entries(f):
245 out.append(__write_ldif_one(__transform_entry(entry, objectClass)))
247 return "\n\n".join(out)
250 def read_ms_schema(attr_file, classes_file, dump_attributes = True, dump_classes = True, debug = False):
251 """Read WSPP documentation-derived schema files."""
257 attr_ldif = __parse_schema_file(attr_file, "attributeSchema")
259 classes_ldif = __parse_schema_file(classes_file, "classSchema")
261 return attr_ldif + "\n\n" + classes_ldif + "\n\n"
263 if __name__ == '__main__':
267 attr_file = sys.argv[1]
268 classes_file = sys.argv[2]
270 print >>sys.stderr, "Usage: %s attr-file.txt classes-file.txt" % (sys.argv[0])
273 print read_ms_schema(attr_file, classes_file)